US2261925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid servomotor for high potential switches
Assignee: Individual
•
Filing: 1939-02-24
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Granted: 1941-11-04
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Expires: 1959-02-24
Abstract
No abstract record available.
Inventors
- 👤 Salzer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:34
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/32; F15B2211/321; F15B2211/322; F15B2211/323; F15B2211/329; F15B2211/70; F15B2211/765; F15B2211/7653; F15B2211/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-03 | 1945-05-05 | 1945-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-03 | 1949-05-05 | 1949-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-03 | 1953-05-05 | 1953-11-04 | $7700.00 | Window Closed / Lapsed |